1 



Smithsonian Report, 1 937.^Ka2eeff 



PLATE 8 



1. Haemolysis of the blood of a rat. In a, red blood "corpuscle, scarcely visible. At left, a leucocyte that 

 has burst. , . , 



2. niood of a rat invaded by Spirochaeta duttoni. In o, spirochaete lodged in a globule. 



3. Uaemolysis of a human red blood corpuscle with 1/1000 N hydrochloric acid. 



